ALEXANDRIA, Va., March 19 -- United States Patent no. 12,255,563, issued on March 18, was assigned to Global Mixed-mode Technology Inc. (Hsin-Chu, Taiwan).
"Motor controller" was invented by Chien-Lun Chu (Hsinchu County, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A motor controller comprises a switch circuit, a control unit, and a pulse width modulation signal, where the pulse width modulation signal has a duty cycle. The motor controller is used for driving a motor, where the motor has a coil. The switch circuit is configured to supply a coil current to the coil. The control unit is configured to generate a plurality of control signals to control the switch circuit. When the motor controller ent...